Dual-SIM Communication Path Control for Call Reception Without Delays
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Solution Overview
Problem
Conventional dual SIM electronic devices face issues with call forwarding delays and inefficient battery consumption due to limited network state monitoring and communication path management, particularly in DSDS-type devices, where only one SIM can be actively used for calls, leading to restricted data communication and battery drain.
Innovation Solution
The electronic device dynamically manages communication paths between dual SIMs by registering second SIM information in an IMS server through a first SIM's communication path, allowing seamless call reception and origination across both SIMs, and adapting paths based on network states to minimize battery consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If call forwarding function is applied to allow call reception through the second SIM, then call reception capability is improved, but call transmission capability and response time remain limited due to predetermined time interval delays
Solution Approach 1:
The patent performs call forwarding configuration in advance by registering the second SIM's information in the IMS server through the first SIM's communication path before actual call reception is needed. This preliminary registration enables the system to immediately handle incoming calls for the second SIM without waiting for network state checks or predetermined time intervals, thus eliminating the delay while maintaining call reception capability.
2Adaptability or versatility
If conventional call forwarding is used to enable call reception through the second SIM, then call reception is improved, but call transmission through the second SIM is not allowed and requires double forwarding operations
Solution Approach 1:
The patent merges the communication paths of the first and second SIMs by registering the second SIM's information through the first SIM's communication path in the IMS server. This consolidation allows both SIMs to share the same communication infrastructure, enabling call transmission and reception through the second SIM without requiring separate forwarding configurations, thus reducing operational complexity from double forwarding to a single integrated path.
3Adaptability or versatility
If DSDA-type electronic device uses two communication modules to allow simultaneous call usage, then call functionality is improved, but battery consumption increases significantly
Solution Approach 1:
The patent makes the first SIM's communication path serve multiple functions by using it not only for the first SIM's communication but also for registering and managing the second SIM's information in the IMS server. This multi-functional approach allows a single communication module to support both SIMs' call capabilities, eliminating the need for a second communication module and thus reducing battery consumption while maintaining simultaneous call functionality.
Data Source
AI summary
Various embodiments of the present invention provide a method and device, the device comprising: a first subscriber identification module; a second subscriber identification module; a communication module; and a processor, wherein the processor is configured to receive a call request using the first subscriber identification module, change a communication path of the second subscriber identification module, and connect the call request using the first subscriber identification module by using the communication module. Various embodiments are possible.